SEC Form 4 · Updated Daily

RBBN

RIBBON COMMUNICATIONS INC. Ownership

Insider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.

FinancialsOwnership

Current Reporting Owners

OwnerRoleShares OwnedAs OfLast Activity
McClelland Bruce WilliamDirector · Officer2,909,4542026-05-15F
GRAYSON BRUNS HDirector840,2702026-07-15A
Bucci SamOfficer599,2712026-05-15F
Marmurek Eric SOfficer543,7062026-05-15F
Macken Patrick WOfficer482,1462026-05-15F
INFANTE BEATRIZ VDirector385,7242026-06-16M
EWING R STEWART JRDirector239,8912026-06-16M
SHANI SHAULDirector237,7182026-07-15A
Tamone TanyaDirector223,3002026-06-16M
Mair ScottDirector208,1382026-06-16M
Townsend John RaymondOfficer93,3092026-04-15F
Redington DanOfficer02025-09-08S

Recent Filings

DateOwnerActivitySharesPriceOwned After
2026-07-15SHANI SHAULGrant / award11,752237,718
2026-07-15GRAYSON BRUNS HGrant / award14,423840,270
2026-06-16EWING R STEWART JROption exercise (derivative)42,500$0.000
2026-06-16EWING R STEWART JROption exercise42,500239,891
2026-06-16GRAYSON BRUNS HOption exercise (derivative)42,500$0.000
2026-06-16GRAYSON BRUNS HOption exercise42,500825,847
2026-06-16INFANTE BEATRIZ VOption exercise (derivative)42,500$0.000
2026-06-16INFANTE BEATRIZ VOption exercise42,500385,724
2026-06-16SHANI SHAULOption exercise (derivative)42,500$0.000
2026-06-16SHANI SHAULOption exercise42,500225,966
2026-06-16Mair ScottOption exercise (derivative)67,500$0.000
2026-06-16Mair ScottOption exercise67,500208,138
2026-06-16Tamone TanyaOption exercise (derivative)42,500$0.000
2026-06-16Tamone TanyaOption exercise42,500223,300
2026-06-15EWING R STEWART JRGrant / award (derivative)63,197$0.0063,197
2026-06-15GRAYSON BRUNS HGrant / award (derivative)63,197$0.0063,197
2026-06-15INFANTE BEATRIZ VGrant / award (derivative)63,197$0.0063,197
2026-06-15SHANI SHAULGrant / award (derivative)63,197$0.0063,197
2026-06-15Mair ScottGrant / award (derivative)63,197$0.0063,197
2026-06-15SILVER LOUISGrant / award (derivative)63,197$0.0063,197
2026-06-15Tamone TanyaGrant / award (derivative)63,197$0.0063,197
2026-06-15Macken Patrick WGrant / award (derivative)65,000$0.0065,000
2026-06-15Macken Patrick WGrant / award (derivative)97,500$0.0097,500
2026-06-15Macken Patrick WGrant / award (derivative)162,500$0.00162,500
2026-06-15Marmurek Eric SGrant / award (derivative)60,000$0.0060,000
2026-06-15Marmurek Eric SGrant / award (derivative)90,000$0.0090,000
2026-06-15Marmurek Eric SGrant / award (derivative)150,000$0.00150,000
2026-06-15McCaffery Stephen J.Grant / award (derivative)80,000$0.0080,000
2026-06-15McCaffery Stephen J.Grant / award (derivative)120,000$0.00120,000
2026-06-15McCaffery Stephen J.Grant / award (derivative)200,000$0.00200,000
2026-06-15Bucci SamGrant / award (derivative)100,000$0.00100,000
2026-06-15Bucci SamGrant / award (derivative)150,000$0.00150,000
2026-06-15Bucci SamGrant / award (derivative)250,000$0.00250,000
2026-05-15McClelland Bruce WilliamOption exercise (derivative)1,562,500$0.001,562,500
2026-05-15McClelland Bruce WilliamOption exercise (derivative)125,003$0.00249,997
2026-05-15McClelland Bruce WilliamOption exercise (derivative)237,342$0.00237,342
2026-05-15McClelland Bruce WilliamOption exercise (derivative)173,593$0.000
2026-05-15McClelland Bruce WilliamTax withholding614,843$2.632,909,454
2026-05-15McClelland Bruce WilliamOption exercise1,562,5003,524,297
2026-05-15McClelland Bruce WilliamTax withholding49,188$2.631,961,797

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.